Real Estate Investments - Schedule of Real Estate Property Investments (Details) $ in Thousands	Mar. 31, 2017 USD ($) mortgage_note_receivable real_estate_property	Dec. 31, 2016 USD ($)
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	68
Land and Land Improvements	$ 33,476	$ 29,884
Buildings, Improvements, and Lease Intangibles	248,922	222,755
Personal Property	102	97
Total real estate properties	282,500	252,736
Accumulated Depreciation	$ 22,328	18,404
Number of mortgage note receivables | mortgage_note_receivable	1
Mortgage note receivable, net	$ 10,652	$ 10,786
Value of real estate property investments and mortgages	$ 293,152
Medical office [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	23
Land and Land Improvements	$ 17,512
Buildings, Improvements, and Lease Intangibles	107,128
Total real estate properties	124,640
Accumulated Depreciation	$ 10,593
Medical office [Member] | Florida [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	4
Land and Land Improvements	$ 4,138
Buildings, Improvements, and Lease Intangibles	23,778
Total real estate properties	27,916
Accumulated Depreciation	$ 1,527
Medical office [Member] | Iowa [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 2,241
Buildings, Improvements, and Lease Intangibles	8,989
Total real estate properties	11,230
Accumulated Depreciation	$ 358
Medical office [Member] | Kansas [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	2
Land and Land Improvements	$ 1,379
Buildings, Improvements, and Lease Intangibles	10,497
Total real estate properties	11,876
Accumulated Depreciation	$ 2,093
Medical office [Member] | Ohio [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	4
Land and Land Improvements	$ 2,545
Buildings, Improvements, and Lease Intangibles	19,447
Total real estate properties	21,992
Accumulated Depreciation	$ 1,909
Medical office [Member] | Other States [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	9
Land and Land Improvements	$ 4,113
Buildings, Improvements, and Lease Intangibles	32,245
Total real estate properties	36,358
Accumulated Depreciation	$ 2,425
Medical office [Member] | Texas [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	3
Land and Land Improvements	$ 3,096
Buildings, Improvements, and Lease Intangibles	12,172
Total real estate properties	15,268
Accumulated Depreciation	$ 2,281
Physician clinics [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	15
Land and Land Improvements	$ 4,753
Buildings, Improvements, and Lease Intangibles	35,303
Total real estate properties	40,056
Accumulated Depreciation	$ 3,799
Physician clinics [Member] | Alabama [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 533
Buildings, Improvements, and Lease Intangibles	2,663
Total real estate properties	3,196
Accumulated Depreciation	$ 166
Physician clinics [Member] | Florida [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	3
Land and Land Improvements	$ 0
Buildings, Improvements, and Lease Intangibles	5,950
Total real estate properties	5,950
Accumulated Depreciation	$ 363
Physician clinics [Member] | Kansas [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	3
Land and Land Improvements	$ 1,558
Buildings, Improvements, and Lease Intangibles	10,899
Total real estate properties	12,457
Accumulated Depreciation	$ 1,379
Physician clinics [Member] | Ohio [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 677
Buildings, Improvements, and Lease Intangibles	2,590
Total real estate properties	3,267
Accumulated Depreciation	$ 67
Physician clinics [Member] | Other States [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	6
Land and Land Improvements	$ 1,655
Buildings, Improvements, and Lease Intangibles	10,425
Total real estate properties	12,080
Accumulated Depreciation	$ 1,166
Physician clinics [Member] | Pennsylvania [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 330
Buildings, Improvements, and Lease Intangibles	2,776
Total real estate properties	3,106
Accumulated Depreciation	$ 658
Surgical Centers and Hospitals [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	11
Land and Land Improvements	$ 6,542
Buildings, Improvements, and Lease Intangibles	51,389
Total real estate properties	57,931
Accumulated Depreciation	$ 4,634
Surgical Centers and Hospitals [Member] | Arizona [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	2
Land and Land Improvements	$ 576
Buildings, Improvements, and Lease Intangibles	5,389
Total real estate properties	5,965
Accumulated Depreciation	$ 621
Surgical Centers and Hospitals [Member] | Illinois [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 2,100
Buildings, Improvements, and Lease Intangibles	5,410
Total real estate properties	7,510
Accumulated Depreciation	$ 422
Surgical Centers and Hospitals [Member] | Louisiana [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 1,683
Buildings, Improvements, and Lease Intangibles	21,353
Total real estate properties	23,036
Accumulated Depreciation	$ 177
Surgical Centers and Hospitals [Member] | Michigan [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	2
Land and Land Improvements	$ 628
Buildings, Improvements, and Lease Intangibles	8,267
Total real estate properties	8,895
Accumulated Depreciation	$ 1,221
Surgical Centers and Hospitals [Member] | Other States [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	4
Land and Land Improvements	$ 1,027
Buildings, Improvements, and Lease Intangibles	6,898
Total real estate properties	7,925
Accumulated Depreciation	$ 1,534
Surgical Centers and Hospitals [Member] | Texas [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 528
Buildings, Improvements, and Lease Intangibles	4,072
Total real estate properties	4,600
Accumulated Depreciation	$ 659
Specialty Centers [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	15
Land and Land Improvements	$ 2,585
Buildings, Improvements, and Lease Intangibles	27,484
Total real estate properties	30,069
Accumulated Depreciation	$ 2,768
Specialty Centers [Member] | Alabama [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	3
Land and Land Improvements	$ 415
Buildings, Improvements, and Lease Intangibles	4,417
Total real estate properties	4,832
Accumulated Depreciation	$ 920
Specialty Centers [Member] | Colorado [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 259
Buildings, Improvements, and Lease Intangibles	2,791
Total real estate properties	3,050
Accumulated Depreciation	$ 389
Specialty Centers [Member] | Kentucky [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 193
Buildings, Improvements, and Lease Intangibles	3,423
Total real estate properties	3,616
Accumulated Depreciation	$ 572
Specialty Centers [Member] | Nevada [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 276
Buildings, Improvements, and Lease Intangibles	4,402
Total real estate properties	4,678
Accumulated Depreciation	$ 0
Specialty Centers [Member] | Other States [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	8
Land and Land Improvements	$ 1,261
Buildings, Improvements, and Lease Intangibles	9,459
Total real estate properties	10,720
Accumulated Depreciation	$ 578
Specialty Centers [Member] | Texas [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 181
Buildings, Improvements, and Lease Intangibles	2,992
Total real estate properties	3,173
Accumulated Depreciation	$ 309
Behavioral facilities [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	3
Land and Land Improvements	$ 2,084
Buildings, Improvements, and Lease Intangibles	25,607
Total real estate properties	27,691
Accumulated Depreciation	$ 486
Behavioral facilities [Member] | Illinois [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 1,300
Buildings, Improvements, and Lease Intangibles	18,803
Total real estate properties	20,103
Accumulated Depreciation	$ 392
Behavioral facilities [Member] | Indiana [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 270
Buildings, Improvements, and Lease Intangibles	2,651
Total real estate properties	2,921
Accumulated Depreciation	$ 94
Behavioral facilities [Member] | Ohio [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	1
Land and Land Improvements	$ 514
Buildings, Improvements, and Lease Intangibles	4,153
Total real estate properties	4,667
Accumulated Depreciation	$ 0
Corporate property [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	0
Land and Land Improvements	$ 0
Buildings, Improvements, and Lease Intangibles	2,011
Personal Property	102
Total real estate properties	2,113
Accumulated Depreciation	$ 48
Total Properties [Member]
Real Estate Properties [Line Items]
Number of Facilities | real_estate_property	67
Land and Land Improvements	$ 33,476
Buildings, Improvements, and Lease Intangibles	248,922
Personal Property	102
Total real estate properties	282,500
Accumulated Depreciation	$ 22,328